Trigonometry Formula Class 11: FAQs

What is a Trigonometric Function?

A trigonometric function is a mathematical function that relates the angles of a right triangle to the ratios of its sides, such as sine, cosine, and tangent.

Is there Trigonometry in Class 11?

Yes, trigonometry is typically included in the mathematics curriculum for Class 11 in many educational systems, including CBSE (Central Board of Secondary Education) in India.

What are the Topics of Trigonometry in Class 11?

Topics in trigonometry covered at this level often include trigonometric functions, identities, equations, and their applications.

What are the Important Trigonometry Formulas Class 11?

Some important trigonometry formulas for Class 11 include:

• sin(A±B) = sinAcosB ± cosAsinB
• cos(A±B) = cosAcosB ∓ sinAsinB
• tan(A±B) = tanA ± tanB / 1 ∓ tanA tanB​
• sin(2A) = 2sinA cosA
• ccos(2A) = cos²A−sin²A
• tan(2A) = 2tanA / [ 1−tan²A​ ]

How to memorize Trigonomeric Formulas Class 11?

The best way to memorize class 11 formula is to read out the formulas mentioned above daily and solve practice questions based on them

Trigonometric Formulas are mathematical expressions that relate the angles and sides of triangles. These formulas help in solving problems related to angles, distances, and heights in various geometric and real-world scenarios. In this article we will learn about the different trigonometric formulas of class 11 level and at the last of this we will also solve some example for better understanding.